Jim Cullen, who teaches at the Ethical Culture Fieldston School in New York, is a book review editor at HNN. His new book, Sensing the Past: Hollywood Stars and Historical Visions, has just been published by Oxford University Press. Cullen blogs at American History Now.Here's a book that has its title right -- a statement worth making because so many stretch or bend them for marketing purposes. And that's only the beginning of the elegant distillation George Washington University political scientist David Shambaugh provides in this useful volume, which offers a detailed yet concise portrait of a nation widely perceived as on the cusp of what the Chinese government often ascribes to its American rival: hegemony.